Question 1

________ is the hormone responsible for the conversion of glycogen to glucose.

Accepted Answer

The answer of ________ is the hormone responsible for the...

Question 2

Steroid hormones are based on ________.

Accepted Answer

The answer of Steroid hormones are based on ________....

Question 3

Endocrine communication depends on:

Accepted Answer

A)  electrical signals within individual cells.
B)  chemicals secreted through ducts.
C)  target cells not binding to a hormone.
D)  chemicals secreted into the blood for delivery.
E)  cytoplasmic movement through gap junctions.F) C) and E)
G) B) and D)

Question 4

Why do ecdysone-based pesticides have no effect on humans?

Accepted Answer

Humans lack the cell receptors...

Question 5

Red blood cell formation is stimulated by the hormone ________ from the kidneys.

Accepted Answer

The answer of Red blood cell formation is stimulated by...

Question 6

How do insulin and glucagon coordinate to maintain normal blood sugar levels?

Accepted Answer

When blood sugar levels are hi...

Question 7

The hormone interaction shown in the figure is an example of:

Accepted Answer

A)  a negative feedback loop.
B)  a positive feedback loop.
C)  transmission at a gap junction.
D)  the effects of endocrine disruptors.
E)  diabetes mellitus.F) A) and B)
G) B) and D)

Question 8

Which of the following is/are secreted not only by a particular gland but also by cells throughout the body?

Accepted Answer

A)  prostaglandins
B)  growth hormone
C)  steroid hormones
D)  ADH
E)  androgensF) A) and B)
G) A) and C)

Question 9

Can a drug interfere with the action of a hormone in some target cells but not in others? Why?

Accepted Answer

A)  Yes, because a receptor for a peptide hormone can be coupled to different second messenger systems.
B)  Yes, because a receptor for a steroid hormone can be coupled to different second messenger systems.
C)  No, hormones produce only one effect.
D)  No, hormones always use the same second messenger system.
E)  No, the hormone changes only target cells.F) A) and D)
G) C) and E)

Question 10

The posterior pituitary is composed of neurosecretory cells. True or False?

Accepted Answer

A) True 
 B)False

Question 11

The thymus produces ________, a hormone that stimulates the maturation of T cells.

Accepted Answer

A)  thyroxine
B)  ACTH (adrenocorticotropic hormone) 
C)  testosterone
D)  thymosin
E)  insulinF) A) and D)
G) D) and E)

Question 12

Why are some people concerned about hormones in cattle feed?

Accepted Answer

All vertebrate hormones are si...

Question 13

Why are pituitary tumors so dangerous?

Accepted Answer

The pituitary gland secretes many contro...

Question 14

Second messenger systems use ________ to respond to hormones bound to receptors on the cell membrane.

Accepted Answer

The answer of Second messenger systems use ________ to respond...

Question 15

The anterior pituitary produces hormones that stimulate other endocrine glands to produce their secretions. What stimulates the anterior pituitary to release its hormones?

Accepted Answer

the releas...

Question 16

When you scratch a mosquito bite, you damage some cells. Damaged cells release histamine, which causes localized swelling. The swelling can crush cells, causing them to release more histamine. This is an example of:

Accepted Answer

A)  positive feedback.
B)  negative feedback.
C)  neurotransmitter activity.
D)  solubility factors.
E)  enzymatic action.F) A) and B)
G) C) and D)

Question 17

Decreased levels of ADH cause:

Accepted Answer

A)  hunger.
B)  water weight gain.
C)  fever.
D)  dehydration.
E)  increased metabolism.F) All of the above
G) B) and C)

Question 18

The hormone ________, produced by the pineal gland, may be involved in sleepwake cycles in humans.

Accepted Answer

The answer of The hormone ________, produced by the pineal...

Question 19

Blood glucose levels are controlled by secretions from the pituitary gland. True or False?

Accepted Answer

A) True 
 B)False

Question 20

Removal of the ________ would completely disrupt glucose levels in the body.

Accepted Answer

The answer of Removal of the ________ would completely disrupt...

Exam 37: Chemical Control of the Animal Body: the Endocrine System

Why do ecdysone-based pesticides have no effect on humans?

Correct AnswerverifiedHumans lack the cell receptors...View AnswerShow Answer

Which of the following is/are secreted not only by a particular gland but also by cells throughout the body?

Correct AnswerverifiedShow Answer

The hormone ________, produced by the pineal gland, may be involved in sleepwake cycles in humans.

Correct AnswerverifiedShow Answer

________ is the hormone responsible for the conversion of glycogen to glucose.

Correct AnswerverifiedShow Answer

Why are pituitary tumors so dangerous?

Correct AnswerverifiedThe pituitary gland secretes many contro...View AnswerShow Answer

Red blood cell formation is stimulated by the hormone ________ from the kidneys.

Correct AnswerverifiedShow Answer

The posterior pituitary is composed of neurosecretory cells. True or False?

Correct AnswerverifiedShow Answer

Removal of the ________ would completely disrupt glucose levels in the body.

Correct AnswerverifiedShow Answer

Endocrine communication depends on:

Correct AnswerverifiedShow Answer

Why are some people concerned about hormones in cattle feed?

Correct AnswerverifiedAll vertebrate hormones are si...View AnswerShow Answer

The thymus produces ________, a hormone that stimulates the maturation of T cells.

Correct AnswerverifiedShow Answer

When you scratch a mosquito bite, you damage some cells. Damaged cells release histamine, which causes localized swelling. The swelling can crush cells, causing them to release more histamine. This is an example of:

Correct AnswerverifiedShow Answer

The hormone interaction shown in the figure is an example of:

Correct AnswerverifiedShow Answer

Decreased levels of ADH cause:

Correct AnswerverifiedShow Answer

Blood glucose levels are controlled by secretions from the pituitary gland. True or False?

Correct AnswerverifiedShow Answer

Can a drug interfere with the action of a hormone in some target cells but not in others? Why?

Correct AnswerverifiedShow Answer

How do insulin and glucagon coordinate to maintain normal blood sugar levels?

Correct AnswerverifiedWhen blood sugar levels are hi...View AnswerShow Answer

Steroid hormones are based on ________.

Correct AnswerverifiedShow Answer

The anterior pituitary produces hormones that stimulate other endocrine glands to produce their secretions. What stimulates the anterior pituitary to release its hormones?

Correct Answerverifiedthe releas...View AnswerShow Answer

Second messenger systems use ________ to respond to hormones bound to receptors on the cell membrane.

Correct AnswerverifiedShow Answer

Correct Answer
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Humans lack the cell receptors...
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Correct Answer
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Correct Answer
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The pituitary gland secretes many contro...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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All vertebrate hormones are si...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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When blood sugar levels are hi...
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Correct Answer
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Correct Answer
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the releas...
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Correct Answer
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